Survey Title: Cow Hole, Mendip, Somerset
Surveyor(s): Harris, Wyndham
Year: 1938
Standard: ns
Grade: ng
Scale: 1"=28ft
Size: 3.7"x9"
References: CRG Trans 2(2)83 (1952)
Notes: Elevation only
Additional Notes: Same survey as published in British Caver No.3, page 24